Submission for The Abyss

Config

name=The Abyss
image=http://mtgimage.com/card/the%20abyss.jpg
value=2.500
rarity=R
type=World,Enchantment
cost={3}{B}
timing=enchantment
requires_groovy_code
oracle=At the beginning of each player's upkeep, destroy target nonartifact creature that player controls of his or her choice. It can't be regenerated.